Home / 112,071.12-168,131.28-33,191.52

Finding the Fourth Proportional to 112,071.12, 168,131.28 and 33,191.52

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Solution

The fourth proportional to 112,071.12, 168,131.28 and 33,191.52 is: 49,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.12 : 168,131.28 = 33,191.52 : x
  2. Step 2: Convert to fraction form
    112,071.12/168,131.28 = 33,191.52/x
  3. Step 3: Cross multiply
    112,071.12x = 168,131.28 × 33,191.52
  4. Step 4: Simplify right side
    112,071.12x = 5,580,532,742.75
  5. Step 5: Solve for x
    x = 5,580,532,742.75/112,071.12
  6. Step 6: Final answer
    x = 49,794.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.